Section 4.1 Properties of Minerals

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Vocabulary

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Inorganic:

Crystal:repeating pattern of a mineral's particles form a solid

Element:raviolet light have a properties composed of a single kind of atoms

Compound:

Mohs hardness scale:rank ten minerals from soft to hardest

Streak:is the color of its power

Luster:is used to explain how a mineral reflects light form its surface

Cleavage:a mineral that splits easily along flat surface has the property

Fracture:tells how a mineral looks when it falls apart in an irregular

Fluorescence:mineral that gives off light under ultraviolet light have a properties

Outline

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What is a Mineral

• naturally occurring
• inorganic
• solid
• crystal structure
• definite chemical composition

Identifying Minerals

• hardness
• color
• streak
• luster
• density
• crystal systems
• cleavage and fracture
• special properties